3M D-2400 - Manual (Page 21)

3M Model D-2400 Training Users
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Training Users
Train users of the Convenience Store Intercom System, Model D-2400, by performing the following steps:
1. Powering the system up (it should remain on).
2. Answering a call.
3. Initiating a call.
4. Adjusting inbound volume.
5. Operation of any applicable equipment.
- Remote Microphone.
- Music/Message unit.